18245720 (number)

18245720 is an even 8-digits composite number following 18245719 and preceding 18245721. In scientific notation, it is written as 1.8245720 × 10^7. The sum of its digits is 29. It has a total of 6 prime factors and 32 positive divisors. There are 7271808 positive integers (up to 18245720) that are relatively prime to 18245720.

Interesting facts

Basic properties

Name

Name eighteen million two hundred forty-five thousand seven hundred twenty

Notation

Scientific notation 1.8245720 × 10^7
Engineering notation 1.8245720 × 10^6

Prime Factorization of 18245720

Prime Factorization 2 × 2 × 2 × 5 × 349 × 1307

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 4561430
Product of the distinct prime numbers

The prime factorization of 18245720 is 2 × 2 × 2 × 5 × 349 × 1307. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18245720)

Multiplication

n×y
n×2 36491440
n×3 54737160
n×4 72982880
n×5 91228600

Division

n÷y
n÷2 9122860
n÷3 6081906.6666667
n÷3 4561430
n÷5 3649144

Exponentiation

ny
n2 332906298318400
n3 6.074115105354E+21
n4 1.1082660346006E+29
n5 2.0221111752833E+36

Nth Root

y√n
2√n 4271.5009071754
3√n 263.26128812984
4√n 65.356720443849
5√n 28.329062409963

Divisors of 18245720

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18245719
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18245720 can be divided by 32 positive divisors. The sum of these divisors (counting 18245720) is 1, the average is 0.03125.

Base conversion 18245720

Base System Value
2 Binary 1000101100110100001011000
3 Ternary 1021022222102102
4 Quaternary 1011212201120
5 Quinary 14132330340
6 Senary 1451022532
8 Octal 105464130
10 Decimal 18245720
12 Duodecimal 613aa48
16 Hexadecimal 1166858
20 Vigesimal 5e0e60
36 Base36 av2hk

Cryptographic Hash Functions

md5 2ad9d4bc9adf5b23b1d3f0c9903fd0b1
sha1 eb8bc525f66f7fde6600611c1a3ea6e75059ef7f
sha256 c158591311b5c2711d0a9842518ca7b5f2a42ee4137d1ad2f7bf3b64a284d386
sha512 1643b4403c10d1a34dd56013c7bfd171e800349d94713f61c7a84bc4e1413ee510666fc23acdb810bcd283dc904544f064d3a15afb1c453379b795a48192298e
ripemd-160 387714bb5b75fabc0a4a018300e86182a2cb691e

18245720 as geometric shapes

Circle

Radius = n
Diameter 36491440
Circumference 114641239.82291
Area 1.0458559811309E+15

Sphere

Radius = n
Volume 2.5443193856052E+22
Surface area 4.1834239245234E+15
Circumference 114641239.82291

Square

Length = n
Perimeter 72982880
Area 332906298318400
Diagonal 25803344.679262

Cube

Length = n
Surface area 1997437789910400
Volume 6.074115105354E+21
Space diagonal 31602514.060676

Equilateral Triangle

Length = n
Perimeter 54737160
Area 1.4415265571179E+14
Altitude 15801257.030338

Triangular Pyramid

Length = n
Surface area 1.4415265571179E+14
Volume 7.1584133011724E+20
Height 8601114.8930873